@article{10_4153_CMB_1975_017_6,
     author = {Rival, Ivan},
     title = {Sublattices of {Modular} {Lattices} of {Finite} {Length}},
     journal = {Canadian mathematical bulletin},
     pages = {95--98},
     year = {1975},
     volume = {18},
     number = {1},
     doi = {10.4153/CMB-1975-017-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-017-6/}
}